<template>
  <el-container class="home_container">
    <el-header>
      <div>
        <img src="../assets/logo1.png" alt="" />
        <p>电商后台管理系统</p>
      </div>
      <el-button type="info" @click="quit">退出</el-button>
    </el-header>
    <el-container>
      <!-- 导航栏 -->
      <el-aside :width="isCollapse ? '64px' : '200px'">
        <div class="toggle_button" @click="toggle">|||</div>
        <el-menu
          background-color="#333744"
          text-color="#fff"
          unique-opened
          :collapse="isCollapse"
          :collapse-transition="false"
          router
          :default-active="activePath"
        >
          <!-- 一级菜单 -->
          <el-submenu
            :index="item.id + ''"
            v-for="item in menuList"
            :key="item.id"
          >
            <template slot="title">
              <i :class="icons[item.id]"></i>
              <span>{{ item.authName }}</span>
            </template>
            <!-- 二级菜单 -->
            <el-menu-item
              :index="child.path"
              v-for="child in item.children"
              :key="child.id"
              @click="saveActivePath(child.path)"
            >
              <template slot="title">
                <i class="el-icon-menu"></i>
                <span>{{ child.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: "Home",
  data() {
    return {
      menuList: [],
      icons: {
        125: "iconfont icon-users",
        103: "iconfont icon-tijikongjian",
        101: "iconfont icon-shangpin",
        102: "iconfont icon-danju",
        145: "iconfont icon-baobiao",
      },
      isCollapse: false,
      activePath: "",
    };
  },
  methods: {
    quit() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    async getMenuList() {
      const { data: res } = await this.$http.get("menus");
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.menuList = res.data;
      // console.log(res);
    },
    toggle() {
      this.isCollapse = !this.isCollapse;
    },
    saveActivePath(path) {
      window.sessionStorage.setItem("activePath", path);
      this.activePath = path;
    },
  },
  created() {
    this.getMenuList();
    this.activePath = window.sessionStorage.getItem("activePath");
  },
};
</script>

<style scoped>
.home_container {
  height: 100%;
}
.el-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #373d41;
}
.el-header > div {
  display: flex;
  align-items: center;
  height: 100%;
  font-size: 20px;
  color: #fff;
}
.el-header > div > img {
  height: 100%;
  margin-right: 15px;
}
.el-aside {
  background-color: #333744;
}
.el-main {
  background-color: #eaedf1;
}
.el-menu {
  border-right: 0;
  user-select: none;
}
.el-submenu i {
  margin-right: 15px;
}
.toggle_button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>